Vlasov modelling of parallel transport in a tokamak scrape-off layer

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Vlasov modelling of parallel transport in a tokamak scrape-off layer

A one-dimensional Vlasov-Poisson model is used to describe the parallel transport in a tokamak scrape-off layer. Thanks to a recently-developed ‘asymptoticpreserving’ numerical scheme, it is possible to lift numerical constraints on the time step and grid spacing, which are no longer limited by, respectively, the electron plasma period and Debye length. The Vlasov approach provides a good veloc...

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Parallel transport in a tokamak scrape-off layer

G. Manfredi1, S. Hirstoaga2, S. Devaux3, E. Havlíčková4, D. Tskhakaya5 1 Institut de Physique et Chimie des Matériaux, Strasbourg, France 2 INRIA and Institut de Recherche en Mathématiques Avancées, Strasbourg, France 3 Max-Planck-Institut für Plasmaphysik, Garching, Germany 4 Culham Centre for Fusion Energy, Abingdon, United Kingdom 5 Institute for Theoretical Physics, University of Innsbruck,...

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Simulation of the scrape-off layer region of tokamak devices

Understanding the key processes occurring in the tokamak scrape-off layer (SOL) is becoming of the outmost importance while we enter the ITER era and we move towards the conception of future fusion reactors. By controlling the heat exhaust, by playing an important role in determining the overall plasma confinement, and by regulating the impurity level in tokamak core, the dynamics of the fusion...

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The GBS code for tokamak scrape-off layer simulations

Article history: Received 5 October 2015 Received in revised form 10 March 2016 Accepted 18 March 2016 Available online 24 March 2016

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ژورنال

عنوان ژورنال: Plasma Physics and Controlled Fusion

سال: 2010

ISSN: 0741-3335,1361-6587

DOI: 10.1088/0741-3335/53/1/015012